Audun Josang
Queensland University of Technology
Australia

Tyrone Grandison
IBM Almaden Research
USA

Bander Alfayyadh
Queensland University of Technology
Australia

Mohammed Alzomai
Queensland University of Technology
Australia

Judith McNamara
Queensland University of Technology
Australia

Usability is the weakest link in the security chain for many prominent
applications. A set of security usability principles can provide
guidelines when designing and engineering IT security solutions for
improved usability. When improving the usability of existing security
applications, it is necessary to examine the underlying security
technology used to build contemporary security systems, and consider
whether they need to be replaced by totally new security technoogies
with a better usability foundation. This paper examines a set of
usability principles, and analyses the consequences of applying these
principles to existing and future security solutions. The need for
inventing new disruptive security technologies for improved usability
is also examined.

Keywords: Security, Usability, Privacy, Interfaces, Sustaining technology, Disruptive technology

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